Electronic calculator



FIG. 1 is a rear, left, bottom side perspective view of an electronic calculator showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing the top half of an electronic calculator is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an electronic calculator, as shown and described. 